Skunks are part of a family of animals called mustelids, along with weasels, badgers, and otters. All of these animals produce a unique, musky smell, but where stink is concerned, the skunk reigns supreme. They can spray a super-smelly liquid from their butts at anything that scares them. But how does that spray work? We asked biologist Caitlin Amspacher to help us find the answer.Got a question stinkin’ up your brain? Send it to us at BrainsOn.org/contact, and we’ll see what the answer en-TAILS!